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Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has sought patent for Laser Metal Additive Manufacturing Method and Device Based on Dynamic Microwave Assistance. This invention was developed by Li Guoying, Li Yingwen, Yi Peng and Liu Yonghong.
The patent application number is CN202511922619 20251219. The patent pub..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has sought patent for Bio-based Intramolecular Composite Antioxidant as Well as Preparation Method and Application Thereof. This invention was developed by Jin Shuhan, Ren He, Wang Yuru, Ni Shuangyang, Xin Ying, Li Yinghui, Wang Weizhong, Liu Wenyong, Cao Tingting and Wei Deshuai.
The patent applic..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has sought patent for B Value-based Microseismic Natural Fracture Separation Fitting Method and Device. This invention was developed by Lee Hee-chul, Guo Xiaolong, Wan Yujin, Bian Haijun, Duan Guifu and Wang Nan.
The patent application number is CN202410962596 20240717. The patent publication numbe..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- Osaka Gas and Osaka Gas Chemicals have submitted a patent application for Granulated Body and Resin Composition, and Method for Producing Same and Use Thereof. Yamada Masahiro, Hirota Masayuki and Maeda Asami developed the invention.
The patent application number is CN20248040711 20240708. The patent public..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Halliburton Energy Services patent application for Thrust Bearing with Tilting Pad. The invention was developed by Rimmer Michael and Ekins Philip John.
The patent application number is US202418947512 20241114. The patent publication number is US20260132704 (A..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Schlumberger Technology patent application for Electric Annular with Rotational Gear Driven Pusher. The invention was developed by Boulanger Bruce and Kroesen Gerrit.
The patent application number is US202319121435 20231012. The patent publication number is US..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Hydril USA Distribution patent application for Leak Containment System. The invention was developed by Sweeney Kevin M, Dunn Gregory Matthew, Haeberle Hunter Scott and Peralez Robert Andrew.
The patent application number is US202619445228 20260109. The patent ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Oil Coating Maintenance Device for Internal Thread of Oil Well Drill Rod. The invention was developed by Gao Leilei, Tian Jinpeng, Zhao Wentao, Zhang Shengliang, Wang Zhuo, Jiang Wen and X..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published PetroChina patent application for Method and Device for Analyzing Rock Resistivity of Glauconite Sandstone. The invention was developed by Yang Xiaofa, Zhou Yubing, Tian Zuoji, Ma Zhongzhen, Wang Dandan, Liu Yaming, Zhao Yongbin and Huang Tongfei.
The ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published PetroChina patent application for Water Saturation Prediction Method Based on Time-lapse Earthquake and Related Equipment. The invention was developed by Mou Yang, Chen Juan, Zhang Jie, Huang Yan, Wu Mengmeng, Liu Jintao and Ni Na.
The patent applicati..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Multiphase Fluid Acoustoelectric Testing Device and Method for Well Drilling Overflow Simulation. The invention was developed by Xu Yuqiang, Hua Mingsong, Xiang Yanjun, Hu Yuyuan, He Hailo..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has released Schlumberger Technology patent application for Artificial Intelligence Method for Evaluating a Mining Project. This invention was developed by Heliot Denis, Xu Lina and Guillot Valerian.
The patent application number is US202519378605 20251104. The patent publi..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has released Halliburton Energy Services patent application for Multilateral Junction with Integral Flow Control. This invention was developed by Falnes Morten.
The patent application number is CA20193115696 20191125. The patent publication number is CA3115696 (A1). Intern..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Thermal Expansion Material, Resin Liquid Bridge Plug and Deep Shale Gas Shaft Pressure-bearing Plugging Method. This invention was developed by Li Jia, Chen Pengfei, Sang Yu, Li Wei, Liu Youquan and Liu Shuang.
The pate..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Polypropylene Beta-crystal-form Compound Nucleating Agent, Beta-crystal-form Homo-polypropylene Pipe Special Material and Production Process of Beta-crystal-form Homo-polypropylene Pipe Special Material. This invention w..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Calculation Method and System for Effective Communication of Injection-production System Under Intelligent Identification Constraint. This invention was developed by Liu Jincheng, Xue Shituan, Tang Shiyue, Zheng Yubao, Y..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- Sinopec Oilfield Service and Sinopec Petroleum Eng Corp have sought patent for Method and Device for Evaluating Bearing Capacity of Dome of Storage Tank. This invention was developed by Koh Jean, Zhou Shuangyan, Gao Shiguo, Wang Xia, Zhang Jiatao, Wang Yan, Luo Wei, Song Wenting, Wang Zongxing and Liu Xin.
..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing have sought patent for Silicon-containing Aluminum Oxide and Preparation Method Thereof. This invention was developed by Yang Qinghe, Bao Jun, Li Dadong, Zeng Shuangqin, Sang Xiaoyi and Liu Bin.
The patent application number is CN2..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Daqing Oilfield and PetroChina have sought patent for Shale Oil Two-dimensional Nuclear Magnetism Online Mobility Evaluation Method and Device. This invention was developed by Lu Jiamin, Huo Yingdong, Li Binhui, Feng Zihui, Shao Hongmei, Huo Qiuli, Gao Bo, Zhang Hong, Wang Yujie, Liu Zhao, Zheng Binru and Chen..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and East China Oil & Gas Branch China Petroleum & Chemical have sought patent for Sea-land Transition Phase Shale Gas Dessert Area Quantitative Selection Method and Device. This invention was developed by He Guisong, Gao Yuqiao, Huang Xiaozhen, Ding Anxu, Zhou Dina and Wan Jingya.
..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd have sought patent for Complex Fault Zone-oriented Variable Density Seismic Acquisition Method, Electronic Equipment, Storage Medium and Device. This invention was developed by Peng Daiping and Yang Jiangfeng.
The patent application num..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst have sought patent for Component Phase Determination Method and Component Phase Determination System of Three-phase System. This invention was developed by Gao Ran, Cheng Chuanjie, Zhu Yangwen, Wang Rui, Yu Hongmin and Wang Peng.
T..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing have filed a patent application for Reactor for Xylene Isomerization and Method for Xylene Isomerization. This invention was developed by Bao Di, Tang Xiaojin, Zhou Han, Zhu Zhenxing, Ren Xiaotian and Han Ying.
The patent applicati..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- China University of Petroleum (East China) has submitted a patent application for Method and System for Determining Critical Inelastic Strain Rate During Creep-fatigue Damage Process. This invention was developed by Zhang Yucai, Guo Sidong, Jiang Wenchun, Song Ming, Zhang Xiancheng and Tu Shantung.
The pat..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has submitted a patent application for Rapid Reversal of Wettability of Subterranean Formations. Recio Antonio, Beuterbaugh Aaron Michael, Benoit Denise Nicole and Reyes Enrique Antonio developed the invention.
The patent application number is CA20183106979 20181113. The patent publ..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Entegris has submitted a patent application for Methods for the Synthesis and Purification of Pyromellitic Dianhydride and Related Compositions. This invention was developed by Ermert David M.
The patent application number is US202519383404 20251107. The patent publication number is US20260132146 (A1). Int..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Drilling Framework. This invention was developed by Shen Yuelin, Feng Feng, Xu Gang, Liu Bo, Gjertsen Ole, Zhang Zhengxin and Chen Wei.
The patent application number is US202418943352 20241111. The patent publication number is US20260132710 (A1..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Chevron USA has submitted a patent application for Subsea Completion Annulus Pressure Compensation System. This invention was developed by Giordano Michael Anthony.
The patent application number is US202418946548 20241113. The patent publication number is US20260132698 (A1). International Patent Classifica..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has submitted a patent application for Formation Testing While Drilling: Robust and Accurate Pore Pressure Measurement. Ali Pour Kallehbasti Mehdi, Sinanan Vishnu and Roopnarine Clarence developed the invention.
The patent application number is US202519215980 20250522. The paten..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Passive Hydraulic Control. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379961 20251105. The patent publication n..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Self-reversing Threads. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379986 20251105. The patent publication numb..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Active Hydraulic Control. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379899 20251105. The patent publication nu..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has submitted a patent application for Thrust Bearing with Tilting Pad. Rimmer Michael developed the invention.
The patent application number is US202418947660 20241114. The patent publication number is US20260132797 (A1). International Patent Classification codes are E21B43/12,..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd have applied Chinese patent for Method and Device for Eliminating Influence of Pre-stack Gather Coal Seam, Electronic Equipment and Storage Medium. Zhang Kefei, Sun Zhentao, Jia Zeyu, Lee Kyung-nam and Zhu Tong developed it.
The patent ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company have applied Chinese patent for Seismic Data Processing Method for Ovt Continuous Piece Processing. Liu Yanming, Li Lingxi, Jiang Yongbo, Dou Andi, Xie Jinli and Han Lei developed it.
The patent application number is CN202410945774 20240715. ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Lubricating Oil Composition with Long Oil Change Period as Well as Preparation Method and Application of Lubricating Oil Composition. This invention was developed by Xu Jinbao, Wang Linchun, Jin Lili, Wang Xin and Wang Tianru.
The patent application number is ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Anti-micro-stripping Lubricating Grease Composition and Lubricating Method of Main Bearing of Wind Generating Set. Mao Jingjing, Li Jianming, Liu Lijun, Wang Yue, Qiu Jianwei and Zhang Lijuan developed the invention.
The patent application number is CN20241096..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Corrosion Inhibitor for Carbon Dioxide Corrosion and Preparation Method Thereof. This invention was developed by Yan Feng, Zhang Xizi, Kang Sidan, Yin Bing, Yan Ruoxi, Zhang Jian, Lyu Zheyong, Wang Hao, Hao Duo, Xu Baozhu, Liu Yu, Tang Yongjiang and Hao Guolian..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Concrete Assembly Floor Plate Leveling Device and Method. Tang Liuyi, Dai Jimao, Xiao Ruyun, Wu Xin, Chen Yuting and Wu Tiantian developed the invention.
The patent application number is CN202410972273 20240719. The patent publication number is CN121363160 (A)..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has submitted a patent application for Experimental Device for Simulating Well Killing Effect of Rescue Well at Different Communication Points. Yin Bangtang, Deng Yuanzhen, Huang Rui, Liu Xufeng, Chen Cheng, Jia Chaojie, Wang Zhiyuan and Gao Yonghai developed the inven..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Shared Data Access System and Method. This invention was developed by Li Xinhao, Yan Lin, Li Xin, Zeng Qian, Li Xiaobo, Yang Minghao, Wang Zhiping and Shi Bingbo.
The patent application number is CN202410973721 20240719. The patent publication number is CN1213..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Pigging Period Monitoring Method and System Based on Pipeline Effusion and Hydrate. This invention was developed by Zhou Hongyu, Ma Luo, Chen Dingchao, Zheng Rongjun, Zhao Rui, Jiang Zhi, Shi Mengke and You Mei.
The patent application number is CN202410972295 ..
Oil & Gas
| Tue 19 May 2026
Canberra, May 19 -- Australian Patent Office has received Mission Zero Tech Ltd patent application for Method of Capturing CO2 from a Gas Mixture. Gobaille-shaw Gael, Sahm Constantin, Luiz Audrey and Sharma Trishan developed the invention.
The patent application number is AU20230410285 20231222. The patent publication number ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Zhejiang University of Science and Technology has applied Chinese patent for Thermo-acoustic Instability Inhibition Method and System for Hydrogen-doped Natural Gas Combustion. Ye Chao, Huang Kenan, Zhang Zhiguo and Wang Qiangqiang developed it.
The patent application number is CN202511617024 20251106. The ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China National Petroleum and CNPC Chuanqing Drilling Engineering have sought patent for Well Control Emergency Aerial Remote Jet Ignition Device. This invention was developed by Lai Xiangdong, Pang Ping, Wang Chao, Xie Yixiang, Hu Guanghui, Qing Yu, Luo Lin, Liu Wei, Liu Guiyi and Zhou Wei.
The patent appli..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Hebei Dongfeng Breeding Co Ltd has submitted a patent application for Oil Smoke Filtering Device and Equipment for Duck Roaster. This invention was developed by Guo Lihua, Lin Tingting, Mu Chunyu, Li Yanhong and Li Jiejie.
The patent application number is CN202511934978 20251222. The patent publication numb..
Oil & Gas
| Tue 19 May 2026
Canberra, May 19 -- Globaltech Corp Pty Ltd has submitted a patent application for Improvements to Downhole Surveying and Core Sample Orientation Systems, Devices and Methods. This invention was developed by Hejleh Khaled Mufid Yousef.
The patent application number is AU20250204705 20250622. The patent publication number is A..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Canadian Intellectual Property Office has received Ariston Thermo SpA patent application for Deaerator for the Evacuation of Gases in Heating Systems. Spuri Silvestrini Claudio, Chiavetti Flavio and Lopez Antonio developed the invention.
The patent application number is CA20213114537 20210412. The patent pub..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd patent application for Flaky Nickel-based Catalyst as Well as Preparation Method and Application Thereof. Chen Yong, Lu Shuliang, Wu Jiajia, Xu Yang and Hao Xuesong develop..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has released Inner Mongolia University of Science and Technology patent application for Gas-liquid Two-phase Flow Pattern Identification Method. This invention was developed by Sun Caiying, Wei Wenyu, Sun Yibo, Shinshin, Wang Zhichun and Xiao Junsheng.
The patent ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has published Southwest Petroleum University patent application for Adaptive Bearing Fault Diagnosis Method Based on Multi-base Wavelet Fusion. The invention was developed by Bao Guangqing, Xie Hu, Yang Zhen, Chen Yinghui and Lin Xinwei.
The patent application num..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Yangtze University has submitted a patent application for Underground Gas Cut Monitoring and Early Warning Method Based on Multi-parameter Fusion. Li Zhonghui, Ding Shi, Xie Yunhong and Hu Pengjie developed the invention.
The patent application number is CN202511307906 20250915. The patent publication numbe..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Hangzhou Huadian Huayuan Env Engineering Co Ltd has submitted a patent application for Cold Storage and Exchange Integrated Device and Method for Low-temperature Gas-liquid Conversion of Carbon Dioxide. This invention was developed by Yang Xiao, He Feijie, Sun Jingyao, Ye Mengmeng, Zhou Huiwen, Zhu Dengke and ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has published Univ Shanghai Medical & Health Sciences patent application for Traditional Chinese Medicinal Material Processing System Based on Supercritical Carbon Dioxide. The invention was developed by Bai Baodan, Huang Gang, Qin Ruiye, Wang Haibo and Gan Siyu.
..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Zhejiang Zheneng Zhenhai Natural Gas Power Generation Co Ltd has applied Chinese patent for Condenser Water Supplementing and Atomizing Device. Hu Xin developed it.
The patent application number is CN202511390012 20250926. The patent publication number is CN121346555 (A). International Patent Classification..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received China University of Petroleum, East China and Qingdao Geological Engineering Investig Institute Qingdao Geological Exploration Development Bureau patent application for Granite Mineral Information Identification System and Method. Xu Rui, Yin Zheng, Hao ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity patent application for Prediction Method and Device for Carbon Dioxide Sequestration Capacity Diffusion Area. Zhao Wentao, Wang Dalong, Zhang Jian, Shi Xuanming, Zhao Jingchao, ..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Control System and Control Method for Fuel Cell System and Energy System. This invention was developed by Xie Nanhong, Yang Xue, Zhang Jiakang, Wang Houpe..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Daqing Tiandezhong Petroleum Sci & Tech Co Ltd has filed a patent application for Intelligent Fracturing Manifold. This invention was developed by Wang Xiaoting, Zhou Hongji, Zhang Hexuan and Jiang Antai.
The patent application number is CN202511512471 20251022. The patent publication number is CN121348754 ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Sanya Ocean Oil and Gas Research Institute Northeast Petroleum Univ and Hohai University have sought patent for Physical Modeling Method for Scattering Rock of Multi-scale Fracture Tight Reservoir. This invention was developed by Ma Rupeng, Yu Chen, Ba Jing, Song Liwei, Li Xiaobin and Li Zhaoxin.
The patent..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received Aero Geophysical Survey And Remote Sensing Center For Natural Resources Of China patent application for Rapid Comprehensive Investigation Method and System for Natural Hydrogen Resources. Cao Baobao, Yan Qiaojuan, Wang Baodi, Jang Di-seok, Xu Lei, Zhou D..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Central South University has filed a patent application for Three-dimensional Gravity Gradient Inversion Method for Oil and Gas Resource Exploration, Medium and Equipment. This invention was developed by Chen Bo and Peng Jiaxiang.
The patent application number is CN202511922694 20251219. The patent publicat..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Northwest Oil Field patent application for Method for Dividing Three-dimensional Rock Mechanical Layer Through Well-seismic Combination, Product and Application. The invention was developed by Yun Lu, Cao Zicheng, ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Oilfield Services has filed a patent application for Automatic Channel Merging Operation Generation Method and System for Submarine Cable Exploration. This invention was developed by Han Jiachen, Li Huilong, Zhao Ming, Feng Lengleng, Chen Yun, Zhao Tong, Chen Lin and Cao Yu.
The patent application num..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Sanya Ocean Oil and Gas Research Institute Northeast Petroleum Univ has submitted a patent application for Self-adaptive Rayleigh Surface Wave Suppression Method and System Based on Frequency Modulation Characteristic Mode Decomposition. Wang Weihong, Li Zhiwei, Chen Siyuan, Wang Lei, Song Zhaojun and Jiang Zi..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd patent application for Micro-scale and Small-scale Crack Prediction Method, Electronic Equipment, Storage Medium and Device. The invention was developed by Lyu Hui, Zhou Dan, Sun Zh..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Southwest Petroleum University has submitted a patent application for Mechanical Dynamic Response and Safety Evaluation Method for Corroded Oil Casing in Gas Lift Process of Ultra-deep Well. This invention was developed by Deng Kuanhai, Yang Liu, Wang Junjie, Yao Mingyuan, He Jia, Wang Yiji, Liu Qiaoping and L..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Dongying Shengdi Intelligent Tech Co Ltd has filed a patent application for Intelligent Control Method for Recovery and Purification of Oil Well Casing Gas. This invention was developed by Gao Yong, Li Jiantao and Cong Liye.
The patent application number is CN202511505626 20251021. The patent publication nu..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Nantong Huaxing Oil Equipment Co Ltd has submitted a patent application for Coal Seam Microscopic Seepage Characteristic Simulation Experiment Platform. This invention was developed by Lin Hang, Weng Jiandong, Wang Fengling, Pei Anjie, Liu Haijun, Xu Xiaolin, Xia Liurong and Jiang Jianguo.
The patent applic..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has published China National Petroleum, CNPC Engineering Mat R & D Company Limited and Xi'an Tri Ring Oil Pipe Tech Co Ltd patent application for Physical Sample Preparation Equipment and Method for Casing Pipe with Eccentric Wear Inner Wall. The invention was develo..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Dalian Tianyi Tech Service Co Ltd has filed a patent application for Natural Gas Component Analyzing and Sampling Device with Good Sealing Performance. This invention was developed by Wang Ying, Meng Zhaoyu, Li Haishan, Zhang Xin, Chen Wengang, Xu Naichao and Yu Quanwen.
The patent application number is CN2..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Shanxi Taiyuan Ecological Env Monitoring Center and Taiyuan Municipal Drainage Man Center have filed a patent application for Petroleum Water Sampler. This invention was developed by Li Bin, Zhao Li, Bai Xiaoliang, Zhao Nan, Gao Penggui, Dong Xinyu, Xu Yan and Wang Jianbin.
The patent application number is ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Wuxi Idf Hydraulic Cylinder Co Ltd has applied Chinese patent for Rotary Joint Test System and Test Method Thereof. Cheng Yujie, Hua Jie, Yu Tao and Wu Jianhua developed it.
The patent application number is CN202511769958 20251128. The patent publication number is CN121347079 (A). International Patent Class..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Schlumberger Changhe Oilfield Eng Ltd has applied Chinese patent for Numerical Simulation Obtaining Method and Device Based on Goaf Gas, Medium and Equipment. Su Ming, Liu Kun, Jiao Cheng, Zhao Jing'en, Di Xiang, Bai Xianfeng, Wang Junfeng, Zhou Long and Wei Tao developed it.
The patent application number i..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China National Petroleum and Cnpc Jichai Power Company Ltd have filed a patent application for Energy Storage System Arc Discharge Detection Control Method and System. This invention was developed by Li Chunsheng, Wang Lei, Wang Shengchun, Chen Fei, Liu Lihai, Hu Zhichao, Liu Chenghao, Wu Hong and Hu Nan.
T..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Nanjing University and China University of Geosciences, Wuhan have sought patent for Variable-diameter Rock Core Displacement Simulation Device and Simulation Method for Simulating Underground Fluid Migration in Near Wellbore Area. This invention was developed by Tang Jinyu, Yu Long, Ma Chaoyang and Jing Xudon..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Southwest Petroleum University has filed a patent application for Experimental Method for Evaluating Reverse Wetting Water Seal Splitting Recovery Potential of Flooded Gas Well. This invention was developed by Li Yilong, Lee Sung Ho, Zhao Yulong, Tan Xiaohua, Teng Zhenya, Li Caishen and Ai Yifu.
The patent ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received Daqing Oilfield and PetroChina patent application for Rock Core Imbibition Experiment Oil Production Measuring Method and Device Based on Gas Chromatography. Wu Xiaolin, Hou Zhaowei, Chen Jie, Zhang Juhe, Wang Shuanghua, Li Anjun, Zhang Yue, Du Xiongwen,..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received Daqing Oilfield and PetroChina patent application for Method and Device for Analyzing Content of Ions in Original Formation Water of Shale. Li Binhui, Wang Yujie, Feng Zihui, Shao Hongmei, Huo Qiuli, Chen Fengxiang, Huo Yingdong, Chen Jianqi, Zhang Jingy..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China National Offshore Oil Tech Testing Co Ltd has sought patent for Portable Calibration Test Block for Weld Joint Ultrasonic Detection. This invention was developed by Liu Jinliang, Cheng Liao, Zhou Shigang, Wei Shaohua, Zhou Hongle, He Wenxiang and Tang Xiaojuan.
The patent application number is CN20251..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Beijing Institute of Technology has submitted a patent application for Gas-solid Two-phase Explosion Venting Dynamic Inhibition Experiment System and Method. This invention was developed by Li Pengliang, Wang Jizhe, Yuan Mengqi, Qian Xinming, Yang Huijie and Yan Ke.
The patent application number is CN202511..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Dalian Res Inst Petroleum & Petrochemicals Co Ltd have submitted a patent application for Preparation Method of Hydrocracking Catalyst. This invention was developed by Xie Wenjie, Gao Hang, Liu Wei, Zhang Tong and Xue Jinghang.
The patent application number is CN202410..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Weatherford Technology has submitted a patent application for Float Shoe Having Concrete Filled, Eccentric Nose with Jets. This invention was developed by Farley Douglas Brian.
The patent application number is CA20193061261 20191112. The patent publication number is CA3061261 (A1). International Patent Classif..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Halliburton Energy Services has filed a patent application for Steering System for Use with a Drill String. This invention was developed by Chambers Larry Delynn and Deolalikar Neelesh V.
The patent application number is CA20183083559 20180202. The patent publication number is CA3083559 (A1). Cooperative Paten..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China University of Petroleum, East China has submitted a patent application for Multi-geophysical Field Joint Inversion Method Based on Physical Property Subspace Decoupling. This invention was developed by Zhu Dan and Cao Danping.
The patent application number is CN202511715334 20251120. The patent publicat..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- PetroChina has submitted a patent application for Binary Function Analysis Approximate Logging Paleo-burial Depth Inversion Method. This invention was developed by Dou Yutan.
The patent application number is CN202410949395 20240716. The patent publication number is CN121348432 (A). International Patent Classi..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- PetroChina has sought patent for Pre-stack and Post-stack Multi-attribute Combined Intelligent River Channel Identification Method. This invention was developed by Dai Juncheng, Peng Haotian, Wen Long, Ran Qi, Chen Kang and Ma Hualing.
The patent application number is CN202410950959 20240716. The patent publi..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Baker Hughes Holdings has applied Canadian patent for Inflow Promotion Arrangement. Abdelfattah Tarik and Gonzalez Jose Rafael developed it.
The patent application number is CA20193109286 20190711. The patent publication number is CA3109286 (A1). International Patent Classification codes are E21B34/06 and E21B..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Baker Hughes Oilfield Operations has submitted a patent application for One-way Clutch Drive Shaft Coupling in Submersible Well Pump Assembly. Davis Nikolas developed the invention.
The patent application number is CA20193109853 20190618. The patent publication number is CA3109853 (A1). International Patent ..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Canadian Intellectual Property Office has released Baker Hughes Holdings patent application for Downhole Sand Screen with Automatic Flushing System. This invention was developed by El-mahbes Reda, Kirk Jordan and Reid Leslie.
The patent application number is CA20193121135 20191125. The patent publication numbe..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Canadian Intellectual Property Office has released Halliburton Energy Services patent application for Protective Barrier Coating to Improve Bond Integrity in Downhole Exposures. This invention was developed by Smith Charles Timothy and Glaesman Chad William.
The patent application number is CA20193131424 20190..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Canadian Intellectual Property Office has published Halliburton Energy Services patent application for Test System Fluid Evacuation. The invention was developed by Fielder Vance Lee, Mullins Bryan Don, Kopecky Trevor Alan and Brown Donn J.
The patent application number is CA20193139665 20190924. The patent pub..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Baker Hughes Holdings has submitted a patent application for Demulsifying Additive for Separation of Oil and Water. Mangadlao Joey D, Jakubowski Wojciech, Horne Bruce O, Felipe Mary Jane and Ramos Jorge developed the invention.
The patent application number is CA20203144591 20200619. The patent publication num..
Oil & Gas
| Tue 19 May 2026
Ottawa, May 19 -- Canadian Intellectual Property Office has released Weatherford Technology patent application for High Expansion Anchoring System. This invention was developed by Mitchell Michael Wilbert.
The patent application number is CA20213194603 20211008. The patent publication number is CA3194603 (A1). International Pat..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has received PetroChina patent application for Hydrocracking Method and Hydrocracking Catalyst. Tian Hongyu, Li Haiyan, Liu Xiaoyi, Zhang-zhao Yize, Xie Fangming, Ji Yonggang, Yan Zijin, Zhang Tiezhen, Wang Liang and Zhang Hao developed the invention.
The patent app..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has released PetroChina patent application for Hydrogenation Catalyst with Low Cow Metal Content as Well as Preparation Method and Application Thereof. This invention was developed by Li Haiyan, Xie Fangming, Tian Hongyu, Gou Zehao, Zhang Tiezhen, Guan Xu, Shen Baoji..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- China University of Petroleum, Beijing has filed a patent application for Crude Oil Structure Determination Method and Device. This invention was developed by Guo Lianghui, Chen Guanyu, Zhou Guomin, Lin Qianbing and Fu Changlu.
The patent application number is CN202511497651 20251020. The patent publication n..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- China University of Petroleum, Beijing has submitted a patent application for Heat Dissipation Device. This invention was developed by Liu Weili, Lu Yunhu, Kim Yeon, Yu Fan and Xu Guangzheng.
The patent application number is CN202511663219 20251113. The patent publication number is CN121357855 (A). Internatio..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- State Intellectual Property Office of China has released China University of Petroleum, East China patent application for Wave Excitation Local Estimation Method Suitable for Wave Energy Device Array. This invention was developed by Zhang Zhenquan, Yang Yu, Wang Longyang, Wu Shibo, Zhang Yanting, Cai Baoping, ..
Oil & Gas
| Sun 17 May 2026
Beijing, May 18 -- China Petroleum & Chemical and Sinopec Yangzi Petrochemical have applied Chinese patent for Imidazolyl Polyionic Liquid Catalyst as Well as Preparation Method and Application Thereof. Ding Tinghui, Ding Jing, Liu Jingwei, Liu Zongjian and Miao Jinmei developed it.
The patent application number is CN20241094..
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